Home / 2,917,178.88-4,026,112.61-1,628,102.30

Finding the Fourth Proportional to 2,917,178.88, 4,026,112.61 and 1,628,102.30

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Solution

The fourth proportional to 2,917,178.88, 4,026,112.61 and 1,628,102.30 is: 2,247,007.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,917,178.88 : 4,026,112.61 = 1,628,102.30 : x
  2. Step 2: Convert to fraction form
    2,917,178.88/4,026,112.61 = 1,628,102.30/x
  3. Step 3: Cross multiply
    2,917,178.88x = 4,026,112.61 × 1,628,102.30
  4. Step 4: Simplify right side
    2,917,178.88x = 6,554,923,172,128.93
  5. Step 5: Solve for x
    x = 6,554,923,172,128.93/2,917,178.88
  6. Step 6: Final answer
    x = 2,247,007.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.